21793293

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2381}}^1$

素因数の和:2506

約数の個数: 20

約数和(自身を含む): 32857308

約数和(自身を除く): 11064015

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2381, 3051, 7143, 9153, 21429, 64287, 192861, 269053, 807159, 2421477, 7264431, 21793293]

約数ペア:

[(1, 21793293), (3, 7264431), (9, 2421477), (27, 807159), (81, 269053), (113, 192861), (339, 64287), (1017, 21429), (2381, 9153), (3051, 7143)]